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    <title>hello world!</title>
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    <h1>我的第一个标题</h1>
    <p>我的第一个段落。</p>
    <a href="https://www.baidu.com">百度一下</a>
    <br>
    <div>
        <img  src="https://th.bing.com/th/id/OIP.Cdq25dINGG8gky7W0x8XaQHaE7?w=199&h=180&c=7&r=0&o=5&dpr=1.5&pid=1.7" alt="风景" />
        <img  src="./favicon.ico" alt="图标" />
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